Vacuum cleaner bag with oscillating tube

Details Vacuum cleaner bag with oscillating tube Vacuum cleaner bag with oscillating tube

1986-09-29

1987-06-23

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55293, 55298, 55300, 55368, 55374, 55380, 55DIG2, B01D 4604

Patent

active

046750320

ABSTRACT:
A bag is shown for use with an upright vacuum cleaner of the type having a motor fan contained in a main housing for producing an air flow out an air duct of the housing. The bag includes a flexible body having side walls formed of an air pervious material which define a normally closed interior and a mouth opening. The mouth opening of the flexible body is secured to the air duct of the main housing to produce an air flow through the flexible body for exhaust to the atmosphere. An oscillator tube, formed of a flexible material, has an interior, an open end at one extent and an intake opening at the opposite extent. The intake opening is arranged to communicate with the mouth opening of the bag body so that the air flow from the main housing passes through the oscillator tube and causes oscillations, the oscillations of the tube serving to vibrate the bag and prevent the buildup of dirt on the bag interior side walls.

REFERENCES:
patent: 1999826 (1935-04-01), Snell
patent: 2435490 (1948-02-01), Beager et al.
patent: 3491519 (1970-01-01), Ettridge
patent: 3971643 (1976-07-01), Hufton
patent: 4119414 (1978-10-01), Smaling
patent: 4262384 (1981-04-01), Bowers
patent: 4554698 (1985-11-01), Rennecker et al.

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